Find Last Reboot Time in Windows 7, Vista and Windows 2008

Find Last Reboot Time in Windows 7, Vista and Windows 2008
http://www.powercram.com/2010/01/find-last-reboot-time-in-windows-7.html

Uses WMI command line (WMIC):
wmic OS Get LastBootUpTime

Use command line
systeminfo | find "Up Time"